{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["material", "manufacturing process", "process characterization", "machine or equipment", "machanical property"], "input": "To reduce cost , the HSS matrix is replaced by carbon steel ."}
{"material": ["HSS", "carbon steel"], "manufacturing process": [], "process characterization": [], "machine or equipment": [], "machanical property": []}